22542663 has 48 divisors (see below), whose sum is σ = 37806048. Its totient is φ = 11827200.

The previous prime is 22542631. The next prime is 22542671. The reversal of 22542663 is 36624522.

It is not a de Polignac number, because 22542663 - 2⁵ = 22542631 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22542663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80083 + ... + 80363.

It is an arithmetic number, because the mean of its divisors is an integer number (787626).

Almost surely, 2^22542663 is an apocalyptic number.

22542663 is a deficient number, since it is larger than the sum of its proper divisors (15263385).

22542663 is a wasteful number, since it uses less digits than its factorization.

22542663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 325 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 22542663 is about 4747.9114355683. The cubic root of 22542663 is about 282.4891289836.

The spelling of 22542663 in words is "twenty-two million, five hundred forty-two thousand, six hundred sixty-three".